Global Patent Index - EP 4053176 A1

EP 4053176 A1 20220907 - FLUORINE-CONTAINING COPOLYMER, FLUORINE-CONTAINING COPOLYMER COMPOSITION, AND CROSSLINKED RUBBER ARTICLE

Title (en)

FLUORINE-CONTAINING COPOLYMER, FLUORINE-CONTAINING COPOLYMER COMPOSITION, AND CROSSLINKED RUBBER ARTICLE

Title (de)

FLUOR ENTHALTENDES COPOLYMER, FLUORHALTIGE COPOLYMERZUSAMMENSETZUNG UND VERNETZTER KAUTSCHUKGEGENSTAND

Title (fr)

COPOLYMÈRE CONTENANT DU FLUOR, COMPOSITION DE COPOLYMÈRE CONTENANT DU FLUOR ET ARTICLE EN CAOUTCHOUC RÉTICULÉ

Publication

EP 4053176 A1 20220907 (EN)

Application

EP 20882464 A 20201027

Priority

  • JP 2019197115 A 20191030
  • JP 2020040280 W 20201027

Abstract (en)

To provide a fluorinated copolymer, whereby it is possible to produce a crosslinked rubber article excellent in mold release properties.The fluorinated copolymer of the present invention has units based on tetrafluoroethylene, units based on a perfluoro(alkyl vinyl ether), units based on a monomer having a fluorine atom and at least two polymerizable unsaturated bonds, and units based on a monomer having a nitrile group and a fluorine atom.

IPC 8 full level

C08F 214/26 (2006.01); C08L 27/18 (2006.01)

CPC (source: CN EP KR US)

C08F 214/262 (2013.01 - CN EP KR US); C08K 5/0025 (2013.01 - EP); C08K 5/14 (2013.01 - EP); C08K 5/34924 (2013.01 - EP); C08K 5/57 (2013.01 - EP); C08L 27/18 (2013.01 - CN KR); C08F 2800/10 (2013.01 - US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

US 2022227908 A1 20220721; CN 114630845 A 20220614; EP 4053176 A1 20220907; EP 4053176 A4 20231206; JP WO2021085423 A1 20210506; KR 20220094190 A 20220705; TW 202124475 A 20210701; WO 2021085423 A1 20210506

DOCDB simple family (application)

US 202217658271 A 20220407; CN 202080076473 A 20201027; EP 20882464 A 20201027; JP 2020040280 W 20201027; JP 2021553628 A 20201027; KR 20227009773 A 20201027; TW 109137448 A 20201028